Biology:Placopsis perrugosa

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Short description: Species of lichen

Placopsis perrugosa
Scientific classification edit
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Baeomycetales
Family: Trapeliaceae
Genus: Placopsis
Species:
P. perrugosa
Binomial name
Placopsis perrugosa
(Nyl.) Nyl. (1867)
Synonyms[1]
  • Lecanora perrugosa Nyl. (1867)
  • Placodium perrugosum (Nyl.) Müll.Arg. (1889)
  • Squamaria perrugosa Nyl. (1875)

Placopsis perrugosa is a saxicolous (rock-dwelling), placodioid lichen in the family Trapeliaceae.[2] It was formally described as a new species in 1867 by Finnish lichenologist William Nylander, originally as a member of the genus Lecanora.[3]

After the retreat of the Glaciar Frías in the Patagonian Andes, Argentina, Placopsis perrugosa dominated the pioneer stage on newly exposed rock outcrops. This was followed by a mid-successional stage, in which a lichen-moss mat was dominated by the moss Racomitrium lanuginosum, providing the foundation for a larger diversity of vascular plants in the final successional stage.[4] Like other members of genus Placopsis, P. perrugosa is a fast-growing crustose lichen; this allows them to dominate as early colonisers on snow-free moraines of exposed land surfaces.[5]

References

  1. "Synonymy. Current Name: Placopsis perrugosa (Nyl.) Nyl., J. Linn. Soc., Bot. 9: 251 (1867)". Species Fungorum. http://www.speciesfungorum.org/Names/SynSpecies.asp?RecordID=546211. 
  2. What is a lichen?, Australian National Botanical Garden
  3. Nylander, W. (1867). "Lichenes Novae Zelandiae, quos ibi legit anno 1861 Dr. Lauder Lindsay" (in la). Journal of the Linnean Society. Botany 9: 244–259 [250]. https://www.biodiversitylibrary.org/page/226263. 
  4. Garibotti, Irene A.; Pissolito, Clara I.; Villalba, Ricardo (2011). "Vegetation development on deglaciated rock outcrops from Glaciar Frías, Argentina". Arctic, Antarctic, and Alpine Research 43 (1): 35–45. doi:10.1657/1938-4246-43.1.35. 
  5. Raggio, J.; Green, T.G.A.; Crittenden, P.D.; Pintado, A.; Vivas, M.; Pérez-Ortega, S.; De los Ríos, A.; Sancho, L.G. (2012). "Comparative ecophysiology of three Placopsis species, pioneer lichens in recently exposed Chilean glacial forelands". Symbiosis 56 (2): 55–66. doi:10.1007/s13199-012-0159-1. 

Wikidata ☰ Q18388834 entry